Analysis
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max time kernel
124s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2023, 15:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll
Resource
win7-20231023-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll
Resource
win10v2004-20231023-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll
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Size
91KB
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MD5
11f23d20d2b5aded54cbe6bce3615692
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SHA1
22dfdd2d396b036f42ca0b1e52ae859b8da25dd8
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SHA256
8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b
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SHA512
f9c5ce5f8a5da10313f7c45fd841e4afc15447063e0d4d22b2eb646f2bcde09e65bfffabdcb69419e2c8ed4b84d96cc830c6e129e009335a4a469ef47236d1e1
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SSDEEP
1536:oW5+QSAmTkuNHM85eTJD4nSE4F3liX67ouS7BAZnkWSoAnFp09lO:l+QtmY+HCJEO30X0ouDRkWt+Fp09l
Score
1/10
Malware Config
Signatures
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Modifies registry class 45 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\RMES.Set regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\RMES.Set\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ = "Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ = "_Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\ = "RMES.Set" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\ = "RMES" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\TypeLib\ = "{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\VERSION regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\VERSION\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\RMES.Set\Clsid\ = "{BCD0B153-CDFC-4F51-B0CF-0F310651A755}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ProxyStubClsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\TypeLib\ = "{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\ = "_Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2913A641-B55E-44E6-80B7-41E1FEDB6FFF}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\ProgID\ = "RMES.Set" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BCD0B153-CDFC-4F51-B0CF-0F310651A755}\TypeLib\ = "{5B1BD5D0-C2FC-4059-9924-C0BC76ABFABE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\RMES.Set\ = "RMES.Set" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4224 wrote to memory of 1884 4224 regsvr32.exe 84 PID 4224 wrote to memory of 1884 4224 regsvr32.exe 84 PID 4224 wrote to memory of 1884 4224 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8a66b0f1bd51ef92981041dde13caf8912569cafeca7e787ec4f2cff4b8dd12b.dll2⤵
- Modifies registry class
PID:1884
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